element(s):
['Si']
AFLOW prototype label:
A_tI8_139_h
Parameter names:
['a', 'c/a', 'x1']
model type (only 'standard' supported at this time):
standard
number of parameter sets:
1
Parameter values for parameter set 0:
['6.6881', '0.57703982', '0.8213634']
model name:
SNAP_ZuoChenLi_2019quadratic_Si__MO_721469752060_000
==== Building ASE atoms object with: ====
representative atom symbols =  ['Si']
representative atom coordinates =  [[0.8213634 0.8213634 0.       ]]
spacegroup =  139
cell =  [[6.6881, 0, 0], [0, 6.6881, 0], [0, 0, 3.8593]]
=========================================
      Step     Time          Energy          fmax
BFGS:    0 17:32:45      -41.797317         0.590934
BFGS:    1 17:32:45      -41.811575         0.590939
BFGS:    2 17:32:45      -41.838198         0.549973
BFGS:    3 17:32:45      -41.847035         0.496204
BFGS:    4 17:32:45      -41.864957         0.360846
BFGS:    5 17:32:45      -41.879082         0.222918
BFGS:    6 17:32:45      -41.887776         0.153450
BFGS:    7 17:32:45      -41.889595         0.141061
BFGS:    8 17:32:45      -41.890542         0.125550
BFGS:    9 17:32:45      -41.892856         0.093876
BFGS:   10 17:32:45      -41.896114         0.128313
BFGS:   11 17:32:45      -41.900120         0.117056
BFGS:   12 17:32:45      -41.902498         0.055491
BFGS:   13 17:32:45      -41.903003         0.008672
BFGS:   14 17:32:45      -41.903026         0.001272
BFGS:   15 17:32:45      -41.903026         0.000150
BFGS:   16 17:32:45      -41.903026         0.000033
BFGS:   17 17:32:45      -41.903026         0.000006
BFGS:   18 17:32:45      -41.903026         0.000001
BFGS:   19 17:32:45      -41.903026         0.000000
BFGS:   20 17:32:45      -41.903026         0.000000
Minimization converged after 20 steps.
Maximum force component: 6.426891971627983e-10 eV/Angstrom
Maximum stress component: 3.8891879560995365e-11 eV/Angstrom^3
==== Minimized structure obtained from ASE ====
symbols =  ['Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si', 'Si']
basis =  [[8.18819905e-01 8.18819905e-01 5.75793736e-34]
 [1.81180095e-01 1.81180095e-01 4.79828113e-35]
 [1.81180095e-01 8.18819905e-01 5.75793736e-34]
 [8.18819905e-01 1.81180095e-01 0.00000000e+00]
 [3.18819905e-01 3.18819905e-01 5.00000000e-01]
 [6.81180095e-01 6.81180095e-01 5.00000000e-01]
 [6.81180095e-01 3.18819905e-01 5.00000000e-01]
 [3.18819905e-01 6.81180095e-01 5.00000000e-01]]
cellpar =  Cell([[6.658425557515921, 4.689736952870615e-37, -1.3173979404975392e-33], [1.4775308917288048e-36, 6.658425557515922, 6.459534207960486e-18], [2.2032122592436165e-32, 3.7713633138213036e-18, 4.013791378449777]])
forces =  [[-6.42689197e-10 -6.42689197e-10 -6.23510220e-28]
 [ 6.42689197e-10  6.42689197e-10  6.23479299e-28]
 [ 6.42689197e-10 -6.42689197e-10 -6.23491668e-28]
 [-6.42689197e-10  6.42689197e-10  6.23516404e-28]
 [-6.42689197e-10 -6.42689197e-10 -6.23454562e-28]
 [ 6.42689197e-10  6.42689197e-10  6.23479299e-28]
 [ 6.42689197e-10 -6.42689197e-10 -6.23491668e-28]
 [-6.42689197e-10  6.42689197e-10  6.23516404e-28]]
stress =  [-1.55808343e-11 -1.55808343e-11  3.88918796e-11 -4.36379229e-27
 -5.76506392e-35  9.03275055e-51]
energy per atom =  -2.076921183098251
===============================================
Parameter sets [0] relaxed to duplicate structures, attempting to write only one of them.
Successfully added property instance for parameter set 0